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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#233363#3025. Assimilationjerzyk#AC ✓78ms8628kbC++20791b2023-10-31 16:53:512023-10-31 16:53:51

Judging History

你现在查看的是最新测评结果

  • [2023-10-31 16:53:51]
  • 评测
  • 测评结果:AC
  • 用时:78ms
  • 内存:8628kb
  • [2023-10-31 16:53:51]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7;
ll T[LIM];
void solve() {
	ll n, k;
	cin >> n >> k;
	rep(i, n) cin >> T[i];
	sort(T, T+n);
	ll ans=0, l=0, sum=0;
	priority_queue<ll>q;
	while(true) {
		while(l<n && k>=T[l]) {
			q.push(T[l]);
			sum+=T[l];
			++l;
		}
		if(q.empty()) {
			if(l<n) {
				cout << -1 << '\n';
				return;
			}
			break;
		}
		ll p=q.top(); q.pop();
		sum-=p;
		k-=p;
		if(l<n || k<sum) {
			k+=2*p;
			++ans;
		}
	}
	cout << ans << '\n';
}
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int _=1;
	cin >> _;
	while(_--) solve();
}

详细

Test #1:

score: 100
Accepted
time: 51ms
memory: 8628kb

input:

29
9 1
1 1 2 1 1 1 1 1 1
4 1
3 2 1 1
5 316660370
269357435 105688553 346785866 295093544 181703417
6 43402885
39947441 27068237 43810814 44913378 40095941 34779892
22 319594
3815194 3056481 6593888 7315914 6593888 4794774 2561877 5256242 4920603 5256242 3606645 864746 1594265 1235578 2361430 2277526...

output:

4
2
2
3
-1
10621
4
-1
7
5385
8
2
-1
5
6264
3
0
-1
124764
5
-1
7
10940
1
3
100000
5
-1
-1

result:

ok 29 lines

Test #2:

score: 0
Accepted
time: 78ms
memory: 6888kb

input:

30
1537 2
5 6 3 3 6 5 3 5 5 5 6 5 5 6 4 6 6 6 4 3 5 5 5 6 4 6 2 3 4 5 5 5 5 5 6 6 6 4 4 4 2 6 6 5 3 6 5 6 6 5 6 5 4 3 5 6 4 3 5 3 6 4 5 6 4 1 4 6 4 5 2 4 3 4 6 6 5 5 5 6 6 5 5 5 6 4 5 6 6 6 5 5 5 3 3 2 4 6 3 5 4 4 6 6 6 5 5 6 4 4 6 6 6 6 4 6 6 3 4 5 5 3 4 5 4 6 5 5 6 5 6 6 3 3 6 5 4 6 4 6 6 4 5 3 2 ...

output:

629
22
1452
10
2121
5094
6
1135
7123
2140
4
916
1802
1237
5
6
1498
262
115823
1223
11
1032
844
13
1899
4
1212
17
-1
1797

result:

ok 30 lines

Test #3:

score: 0
Accepted
time: 51ms
memory: 7644kb

input:

30
11 40454552
9677001 192936684 252254034 192936684 37357273 9156546 74500194 116624778 13650360 2174119 13650360
27 1
3 2 3 1 3 5 3 5 1 1 1 1 1 1 4 4 1 1 1 2 1 3 3 1 3 2 4
11 72578887
172937772 206562668 87600829 84557056 103901588 148396091 92438037 215698807 125600579 216304481 191851963
5 1
1 2...

output:

4
9
-1
3
19
-1
5
9
4
4
18
14
5
5
83242
7
4
-1
6
22
5
3
17
-1
2
7
22
158159
-1
12

result:

ok 30 lines